Research on Cause of Distinction in AntiendotoxicActivation of Radix Isatidis from Different Cultivated Populations Reproductive toxicity of triptolide and its mechanism in male rats Studies on toxicity of haimiding Evaluation on Antiendotoxic Action and Antiviral Action in vitro of Tetraploid Isatis indigotica Preliminary study on hepatotoxicity induced by dioscin and its possible mechanism Effects of Buzhong Yiqi Decoction on Anticancer Activity and Toxicity Induced by Cyclophosphamide